To be clear, on Window's PC all is working as it should.
Android 13 (January 4th 2023 security update)
Pixel 7
Enpass 6.8.5.758
Apps that I know do not pass the password, does autofill the username. (also your tip on using the enpass keyboard is a workaround but not ideal to switch back and forth)
Vystar Credit Union (app)
Chase for Business (app)
Paypal (app)
Health Equity (app)
T. Rowe Price (app)
Progressive insurance (app)
Vudu/Fandango (app)